<div
  *tdLoading="
    'overlayStarSyntax';
    mode: loadingMode.Indeterminate;
    type: loadingType.Circular;
    strategy: loadingStrategy.Overlay;
    color: 'accent'
  "
>
  <div class="pad text-center">loading content...</div>
</div>
<div layout="row">
  <button mat-raised-button color="primary" (click)="toggleOverlayStarSyntax()">
    Toggle loader
  </button>
</div>
